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cos^(2)90^(@)+"cosec"^(2)90^(@)-cot^(@) ...

`cos^(2)90^(@)+"cosec"^(2)90^(@)-cot^(@) 45^(@)=?`

A

2

B

0

C

`1//2`

D

`sqrt(3)//2`

Text Solution

Verified by Experts

The correct Answer is:
B
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